Osian is a moderately popular boys' name in England & Wales, ranking #313 in 2024 with 143 recorded births. The name reached its all-time peak in 2022 with 178 births ranking #264. Since 1996, the popularity has increased by 429.6%. In 2024, approximately 1 in every 1,943 boys born was named Osian. FALLING Recent data shows the name is currently falling.